Frank Lem Stulen (January 22, 1921 – June 25, 2010) graduated from Carnegie Mellon University (then Carnegie Tech) in 1942 with a degree in aeronautical engineering. After graduation, Stulen served in the U.S. Army Corps of Engineers and in the U.S. Air Force from 1942 to 1946, where he was head of the Propeller Lab, Rotary Wing Branch based out of Wright-Patterson Air Force Base. After a meeting with John T. Parsons, he was hired as Chief Engineer and Vice President of Engineering at Parsons Corporation in Traverse City. Stulen was also Mayor of Traverse City, Michigan in 1961 and 1962.